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Maryland Electrician Practice 2

Practice 2 for Electrician Exam learners in Maryland: 25 questions, explained answers, and a review routine.

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Question 1

1

Which of the following is recognized as a grounding electrode by the NEC?

Question 2

2

A concrete-encased electrode (Ufer ground) typically consists of at least 20 ft of:

Question 3

3

When more than one grounding electrode is present at a building, they must be:

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